New Master Lock Products Introduction!

A3650 Series Multi-Cylinder Padlocks

The American Lock A3650 multi-cylinder padlocks are among the most versatile padlocks available. The 1-3/4in (44mm) wide solid brass body, dual ball bearing design, and boron alloy shackle protect against physical attacks and offer superior weather resistance. The quick-change shackle and key-retaining features provide convenience, ease of use, and will help you save time. This single lock body accepts 9 different key-in-knob (KIK) and padlock cylinders, enabling users to streamline service inventories and simplify operations.

The Master Lock Vault Enterprise System is designed for businesses as well as other customers with many locks & users. Its benefits include security, ease of use, and reliability. Administrators can easily control individual or system-wide lock access with a convenient web interface, while users enjoy problem-free and secure access to assigned locks or lock boxes.

Using a smart lock is a great idea for those who don’t want to carry keys or remember the combination for opening. Master Lock locks withstand physical attacks and protect your property with military-grade encryption as well as advanced security features.

4400EC Indoor Bluetooth Padlock

This smart padlock has a 1-29/32″ wide metal body for superb durability. The 9/32″ diameter shackle offers 7/8″ vertical clearance and is made of boron alloy for excellent resistance to cutting and sawing.

BEST USED FOR indoor applications:

• Schools
• Health Clubs
• Self-Storage Units and Lockers

4401LHEC Bluetooth® Outdoor Padlock

The 4401LHEC smart padlock has a 2-7/32″ wide metal body for durability. The 11/32″ diameter shackle offers 2″ vertical clearance and is made of boron alloy, offering great resistance to sawing and cutting.

BEST USED FOR outdoor applications:

• Outdoor Storage and Fences
• Security Gates
• Self-Storage Units and Lockers
• Tools, Job Boxes, and Gang Boxes

5440EC Bluetooth® Portable Lock Box

The Master Lock 5440EC Bluetooth® lock box features a 3-1/4" wide metal body for unmatched durability and a fully removable shackle for convenience.

BEST USED FOR outdoor applications:

• Real Estate Access Control
• Security Gates and Fences

5441EC Bluetooth® Wall Mount Lock Box

This lock box has a 3-1/4″ wide metal body for unmatched durability.

BEST USED FOR outdoor applications like Real Estate Access Control

The Key is Your Smartphone! Vault Enterprise NOT INCLUDED!

6400ENT Bluetooth® ProSeries® Padlock for Business Use

This Bluetooth® padlock has a 2-7/16″ wide metal body for durability and security. The 11/32″ diameter shackle offers 1-3/8″ vertical clearance and is made of boron alloy, offering maximum resistance to cutting as well as sawing. In addition, weather cover provides enhanced resistance to perform in snow, rain, and also temperature extremes.

BEST USED FOR outdoor applications:

• Security Gates and Fences
• Self-Storage Units and Lockers

6400SHENT Bluetooth® ProSeries® Shrouded Shackle Padlock for Business Use

This Bluetooth® shrouded shackle padlock has a 2-7/16″ wide metal body for durability and security. The 11/32″ diameter shrouded shackle offers 3/4″ vertical clearance and is made of boron alloy with an anti-cut shackle shroud, offering maximum resistance to cutting and sawing. It has excellent weather resistance, just like the 6400ENT model.

BEST USED FOR outdoor applications:

• Security Gates and Fences
• Self-Storage Units and Lockers

Universal Lock Box Adjusts to Fit More Handles

5420D 2-7/8in (72mm) Wide Set Your Own Combination Universal Lock Box

The Master Lock No. 5420D Portable Universal Lock Box features a 2-7/8in (72mm) wide metal body for durability. The new 5420D lock box features an adjustable shackle for secure use on almost any type of door hardware. While other lock box models can be easily removed from lever-style handles, the 5420D cinches tightly and securely to most types of lever styles. The 5420D also fits securely to the knob and handle hardware styles, providing a secure storage location for spare keys and access cards. 

Stainless Steel Group Lock Boxes with Window

Heavy-Duty Group Lock Boxes that Offer Visual Verification of Secured Keys

The S600 Series Group Lock Boxes from Master Lock are made of 430 grade stainless steel to withstand the toughest environments. The rugged construction offers enhanced design features, making these lock boxes stronger and easier to use. All three models – the S600, S601 and S602 – include a clear, impact-resistant window, allowing participants to see that keys are secured inside the box during group lockout. The stackable design facilitates storage and simplifies transporting multiple boxes.

Group Lock Box with Wall Mounting Bracket

S3650 Group Lock Box with Wall Mounting Bracket

The Master Lock S3650 Group Lock Box with Wall Mounting Bracket helps facilities manage the placement and movement of group lock boxes to protect people. The S3650 can be used wherever it's needed – mount the box using the bracket for routine, daily use; it is portable for remote lockouts; you can move it to a bracket in another area for large turnarounds. Secure the box to the bracket with the optional locking feature and prevent unwanted box removal from the wall. Easily monitor the status of group lockout at a glance with product features like the rewritable tags and clear, impact-resistant window. Despite its small size, this box has an internal capacity of 15 safety padlocks, allowing for greater protected padlock storage.

Group Lockout and Permit Control Station

S3500 Permit Control Station

The Master Lock S3500 Permit Control Station includes the S3501 Permit Display Case and the S3502 Wall Mount Group Lock Box. Permit display case holds letter-size documents and other paperwork up to 11-3/4in x 16-1/2in (297 x 420mm). A clear, impact-resistant window allows users to view and protect permit documents. The case is sealed to help prevent water damage in outdoor applications or during cleaning, and includes a carrying handle. The group lock box contains a 12-lock hand caddy and removable key cup. Includes 12 exterior lock holes for personal safety locks, plus a hole in the latch for the control lock. A clear, impact-resistant window allows users to view locks and secured key(s) inside the box.

S3501 Permit Display Case (top)

The Master Lock S3501 Permit Display Case holds letter-size documents and other paperwork up to 11-3/4in x 16-1/2in (297 x 420mm). A clear, impact-resistant window allows users to view and protect permit documents. The case is sealed to help prevent water damage in outdoor applications or during cleaning. Includes a carrying handle.

S3502 Wall Mount Group Lock Box (bottom)

The Master Lock S3502 Wall Mount Group Lock Box contains a 12-lock hand caddy and removable key cup. Includes 12 exterior lock holes for personal safety locks, plus a hole in the latch for the control lock. A clear, impact-resistant window allows users to view locks and key(s) secured inside the box.

Adjustable Cable Lockout Devices with Cable Management System

Heavy-Duty Group Lock Boxes that Offer Visual Verification of Secured Keys

The Master Lock S856 Retractable Cable Lockout Device, ideal for valve and other general lockouts, features a tough, flexible steel core cable with a red plastic coating.

The Master Lock S866 Retractable Cable Lockout Device, ideal for electrical lockouts, features a tough, flexible nylon core cable with a yellow plastic coating.

Designed with a built-in Cable Management System, the take-up reel and internal ratcheting mechanism only allow for tension to be increased on the cable - even after safety padlocks are applied. The contoured thermoplastic cable housing withstands harsh environments and allows for the stacking and transportation of multiple devices. Includes high-visibility, write-on safety labels in English, Spanish and French.

SentrySafe Waterproof Fire-Resistant Safes with Digital Lock

SentrySafe CHW30300 Waterproof Fire Resistant Chest, 0.36 Cubic Feet

SentrySafe FHW40300 Waterproof Fire Resistant File Box, 0.66 Cubic Feet

Whether someone is buying a home, starting a business, getting married, or curating a lifetime of memories, ensuring that important documents, small valuables, and photos are organized and protected from peril is a big responsibility. SentrySafe chests provide powerful protection in the most unpredictable conditions brought on by fire and flood. The SentrySafe Digital Fire/Water Safes are designed to protect your certificates, digital media, and jewelry. They are ideal for your home and office security needs.